Here is a link about NSLOOKUP utility: http://support.microsoft.c
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How to find "A" records for a domain
We regulary have to transfer domains from one isp to another. Is their a way of finding out "A" records for a domain without having to contact the previous host. For instance we transfer a domain experts.com and when DNS servers have been updated the user reports that certain things are not working and we discover there a number of "A" records such as webmail.experts.com remote.experts.com etc
Is there a scan that can be run?
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Answers
You may find some information at www.dnsdigger.com about other domains hosted on the same server but I don't think you may find all subdomains.
There is no easy way to find those, I tried to dig my own DNS server to check if it was possible. I think, for the nslookup usage, it may depend if its an internal DNS server on your network or if it's on the web. I haven't been able to get answers from my DNS with that command about A records.
You can just dig. I don't know if you use linux but with linux you could do this:
Dig @nameserveripcomeshere -t any experts.com
Also you can use this nice website: http://www.robtex.com/dns
When you scroll down you will even see your records in graphical form
www.dnsstuff.com will do this for you. And much more.
Hello,
I use the online dig tool at http://us.mirror.menandmic
But the problem is that if you dig a domain for A records, there is no way to be sure that you did find ALL the A records related to that domain. Very often you don't get the total answer from the dns servers.
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by: ubigPosted on 2008-02-19 at 06:31:59ID: 20928565
To my knowledge, there is no way to scan DNS server for records.
Try using nslookup command line utility. Type NSLOOKUP, then at the prompt type ls -d experts.com and you will get list of all DNS records for domain experts.com. ISPs usually do not allow access to the list of available DNS records though. You have to agree with you DNS provider in advance that you will get access to ls command. Usually access authentication is based on your IP address.